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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Mumps Virus Ab, IgG

Test Code(s): MUMIGG / MUMPS

CPT Code(s): 86735

Methodology: ELISA

Clinical Significance: The intent of the test system together with other clinical information is to aid in the determination of current or past exposure/immunization to mumps virus.

Days Performed: Three times per week.

Turnaround Time: Routine: Up to 4 days

Specimen Requirements

Specimen: Blood

Collection Container: Preferred: Red cap with yellow ring (SST)
Also Acceptable: Red top

Collection Volume: Preferred: 1 mL
Pediatrics: 1 mL

Sample Analyzed: Serum

Volume Required: Preferred: 0.5 mL
Pediatrics: 0.3 mL

Specimen Processing: Centrifuge. Transfer cell-free serum to plastic vial. Refrigerate.

Specimen Transport: Transport specimen to the laboratory. Transport with coolant pack if coming from satellite or outreach location.

Unacceptable Criteria: Grossly hemolyzed/lipemic, heat-treated serum, microbially contaminated and serum containing heavy-visible particulate.

Stability: Ambient: 8 hours
Refrigerated: 14 days
Frozen: 3 months at -20C or lower


Negative: No detectable IgG antibodies to Mumps virus. Patient is presumed to be non-immune and is susceptible to a primary infection
Equivocal: Immune status cannot be determined.  If clinically warranted, a second sample should be taken at least fourteen days after the first.
Positive: Reactive for IgG antibodies to Mumps virus, indicating a current or past Mumps virus infection or prior vaccination against Mumps virus. 


 All equivocal test results will be repeated within two working days.

Mumps Antibody IgG(Mumps Virus Antibody,IgG),Parotitis(Mumps Virus Antibody,IgG)

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